Position in BSX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$290,735,621
+$92,182,595 QoQ
Shares Held
4,633,237
+122.5% QoQ
Ownership
0.312%
of shares outstanding
% of Portfolio
0.46%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BSX Over Time
Shares Held
Position Value (USD)
Derivatives in BSX
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$15,687,500
PutShares
250,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Mar 31, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $794,156,024 across 13 Medical Devices names. BSX ranks #1 (36.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
This page
|
4,633,237 | $290,735,621 | |
| 2 | ABT |
Abbott Laboratories
|
1,707,764 | $175,336,129 | |
| 3 | DXCM |
Dexcom Inc
|
1,666,408 | $104,650,422 | |
| 4 | MDT |
Medtronic plc
|
989,189 | $85,713,226 | |
| 5 | PEN |
Penumbra Inc
|
135,000 | $44,329,950 | |
| 6 | EW |
Edwards Lifesciences Corp
|
501,866 | $40,189,429 | |
| 7 | STE |
STERIS plc
|
87,486 | $19,345,779 | |
| 8 | CBLL |
Ceribell, Inc.
|
756,751 | $13,871,245 |
All Filings in BSX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $290,735,621 | 4,633,237 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $15,687,500 | 250,000 | Put | Sole | 2026-05-15 | |
| 2025-12-31 | $198,553,026 | 2,082,360 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $131,548,224 | 1,347,416 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $220,766,754 | 2,055,365 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $261,492,359 | 2,592,113 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $234,051,627 | 2,620,372 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $218,177,825 | 2,603,554 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $216,390,013 | 2,809,895 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $228,031,701 | 3,329,416 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $182,813,487 | 3,162,316 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $219,659,246 | 4,160,213 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $196,391,811 | 3,630,834 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $143,489,191 | 2,868,063 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $118,303,876 | 2,556,816 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $122,329,324 | 3,158,516 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $89,031,172 | 2,388,816 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $88,049,228 | 1,988,016 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $56,006,311 | 1,318,416 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $65,910,104 | 1,519,016 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $74,441,568 | 1,740,916 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $60,603,818 | 1,568,016 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $57,294,090 | 1,593,716 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $43,991,784 | 1,151,316 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $58,016,325 | 1,652,416 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $45,591,158 | 1,397,216 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||